DescriptionThis module is a knock sensor. When you knock it, it can send a momentary signal. We can combine it with Arduino to make some interesting experiment, e.g. electronic drumSPECIFICATIONSWorking voltage: 5VSize: 30*20mmWeight: 3gDOCUMENTATIONSWiKiPDFVideoSHIPPING LIST1 x Knock Sensor Module for Arduino
